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Commit c7f1fe26 authored by Nick Kralevich's avatar Nick Kralevich
Browse files

Ensure that /data/anr/traces.txt is world-writable 

The umask changed for init. We have to force /data/anr to be world
readble and /data/anr/traces.txt to be world writable so dalvik
processes can write to it.

Hopefully this is a short term change while we investigate tightening
up these permissions.

Bug: 6300296
Change-Id: Iacb4c9f1bc69d2ac679697f9cf9a52694f888489
parent 3eb38cb3

cmds/dumpstate/utils.c

+7 −0
Original line number Diff line number Diff line
@@ -375,6 +375,7 @@ const char *dump_vm_traces() { 
        *slash = '\0';

        if (!mkdir(anr_traces_dir, 0775)) {

            chown(anr_traces_dir, AID_SYSTEM, AID_SYSTEM);

            chmod(anr_traces_dir, 0775);

        } else if (errno != EEXIST) {

            fprintf(stderr, "mkdir(%s): %s\n", anr_traces_dir, strerror(errno));

            return NULL;
@@ -387,6 +388,12 @@ const char *dump_vm_traces() { 
        fprintf(stderr, "%s: %s\n", traces_path, strerror(errno));

        return NULL;

    }

    int chmod_ret = fchmod(fd, 0666);

    if (chmod_ret < 0) {

        fprintf(stderr, "fchmod on %s failed: %s\n", traces_path, strerror(errno));

        close(fd);

        return NULL;

    }

    close(fd);



    /* walk /proc and kill -QUIT all Dalvik processes */